Objects in the image:
category: handbag
category: person
category: person
category: backpack
category: train
category: traffic light
category: person

Guessing-game dialogue about one of the objects:
q: is it a train?
a: No
q: is it a person?
a: Yes
q: are they wearing grey?
a: Yes
q: do they have a black backpack and are by the green gate?
a: N/A
q: are they by the red wall?
a: No
q: is it on a person?
a: No
q: is it the guy in blue?
a: Yes